// SPDX-License-Identifier: GPL-2.0-or-later
/*
*
* Copyright (C) IBM Corporation, 2012
*
* Author: Anton Blanchard <anton@au.ibm.com>
*/
/*
* Sparse (as at v0.5.0) gets very, very confused by this file.
* Make it a bit simpler for it.
*/
#if !defined (__CHECKER__)
#include <altivec.h>
#else
#define vec_xor(a, b) a ^ b
#define vector __attribute__((vector_size(16 )))
#endif
#include "xor_vmx.h"
typedef vector signed char unative_t;
#define DEFINE(V) \
unative_t *V = (unative_t *)V## _in; \
unative_t V## _0 , V## _1 , V## _2 , V## _3
#define LOAD(V) \
do { \
V## _0 = V[0 ]; \
V## _1 = V[1 ]; \
V## _2 = V[2 ]; \
V## _3 = V[3 ]; \
} while (0 )
#define STORE(V) \
do { \
V[0 ] = V## _0 ; \
V[1 ] = V## _1 ; \
V[2 ] = V## _2 ; \
V[3 ] = V## _3 ; \
} while (0 )
#define XOR (V1, V2) \
do { \
V1## _0 = vec_xor(V1## _0 , V2## _0 ); \
V1## _1 = vec_xor(V1## _1 , V2## _1 ); \
V1## _2 = vec_xor(V1## _2 , V2## _2 ); \
V1## _3 = vec_xor(V1## _3 , V2## _3 ); \
} while (0 )
void __xor_altivec_2(unsigned long bytes,
unsigned long * __restrict v1_in,
const unsigned long * __restrict v2_in)
{
DEFINE(v1);
DEFINE(v2);
unsigned long lines = bytes / (sizeof (unative_t)) / 4 ;
do {
LOAD(v1);
LOAD(v2);
XOR (v1, v2);
STORE(v1);
v1 += 4 ;
v2 += 4 ;
} while (--lines > 0 );
}
void __xor_altivec_3(unsigned long bytes,
unsigned long * __restrict v1_in,
const unsigned long * __restrict v2_in,
const unsigned long * __restrict v3_in)
{
DEFINE(v1);
DEFINE(v2);
DEFINE(v3);
unsigned long lines = bytes / (sizeof (unative_t)) / 4 ;
do {
LOAD(v1);
LOAD(v2);
LOAD(v3);
XOR (v1, v2);
XOR (v1, v3);
STORE(v1);
v1 += 4 ;
v2 += 4 ;
v3 += 4 ;
} while (--lines > 0 );
}
void __xor_altivec_4(unsigned long bytes,
unsigned long * __restrict v1_in,
const unsigned long * __restrict v2_in,
const unsigned long * __restrict v3_in,
const unsigned long * __restrict v4_in)
{
DEFINE(v1);
DEFINE(v2);
DEFINE(v3);
DEFINE(v4);
unsigned long lines = bytes / (sizeof (unative_t)) / 4 ;
do {
LOAD(v1);
LOAD(v2);
LOAD(v3);
LOAD(v4);
XOR (v1, v2);
XOR (v3, v4);
XOR (v1, v3);
STORE(v1);
v1 += 4 ;
v2 += 4 ;
v3 += 4 ;
v4 += 4 ;
} while (--lines > 0 );
}
void __xor_altivec_5(unsigned long bytes,
unsigned long * __restrict v1_in,
const unsigned long * __restrict v2_in,
const unsigned long * __restrict v3_in,
const unsigned long * __restrict v4_in,
const unsigned long * __restrict v5_in)
{
DEFINE(v1);
DEFINE(v2);
DEFINE(v3);
DEFINE(v4);
DEFINE(v5);
unsigned long lines = bytes / (sizeof (unative_t)) / 4 ;
do {
LOAD(v1);
LOAD(v2);
LOAD(v3);
LOAD(v4);
LOAD(v5);
XOR (v1, v2);
XOR (v3, v4);
XOR (v1, v5);
XOR (v1, v3);
STORE(v1);
v1 += 4 ;
v2 += 4 ;
v3 += 4 ;
v4 += 4 ;
v5 += 4 ;
} while (--lines > 0 );
}
Messung V0.5 in Prozent C=96 H=92 G=93
¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-06-07)
¤
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